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perf top: Show info message while collecting samples 

Give visual cue about what is happening while initially collecting the
minimal set of samples to collect/sort/display.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-xcui60p1v6ozijfam2o89ya8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2019-08-19 16:48:25 -03:00
parent 2284cf8074
commit 5c959b6d8f
1 changed files with 3 additions and 0 deletions
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3
tools/perf/ui/browsers/hists.c
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@ -2894,6 +2894,9 @@ static int perf_evsel__hists_browse(struct evsel *evsel, int nr_events,
if (symbol_conf.col_width_list_str)
perf_hpp__set_user_width(symbol_conf.col_width_list_str);
if (!is_report_browser(hbt))
browser->b.no_samples_msg = "Collecting samples...";
while (1) {
struct thread *thread = NULL;
struct map *map = NULL;